{"id":"CVE-2026-23766","details":"Istio through 1.28.2 allows iptables rule injection for changing firewall behavior via the traffic.sidecar.istio.io/excludeInterfaces annotation. NOTE: the reporter's position is \"this doesn't represent a security vulnerability (pod creators can already exclude sidecar injection entirely).\"","modified":"2026-04-10T05:40:42.701744Z","published":"2026-01-15T20:16:06.057Z","references":[{"type":"REPORT","url":"https://github.com/istio/istio/issues/58781"},{"type":"FIX","url":"https://github.com/istio/istio/pull/58785"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/istio/istio","events":[{"introduced":"0"},{"last_affected":"ab413ac6c1f40b2f7c69d97e0db4e712e4ef1ecc"}]}],"versions":["0.3.0","0.5.0","0.6.0","1.0.0-snapshot.0","1.1.0-snapshot.2","1.1.0.snapshot.0","1.1.0.snapshot.1","1.12.0-alpha.0","1.12.0-alpha.1","1.12.0-alpha.5","1.18.0-alpha.0","1.19.0-alpha.0","1.19.0-alpha.1","1.2.0-rc.0","1.2.0-rc.3","1.22.0-alpha.1","1.23.0-alpha.0","1.24.0-alpha.0","1.25.0-alpha.0","1.26.0-alpha.0","1.28.0","1.28.0-alpha.0","1.28.0-beta.0","1.28.0-beta.1","1.28.0-rc.0","1.28.0-rc.1","1.28.2","1.5.0-alpha.0","1.5.0-beta.1","1.5.0-beta.2","1.6.0-alpha.0","1.6.0-alpha.1","1.6.0-alpha.2","1.7.0-alpha.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23766.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N"}]}